Exactly!!! I just bought my wife a 4g ipad. We can't get Internet where we live so the only way for my mom to see our new baby on FaceTime is to tether to my phone. Maybe I can use the ipad as a hotspot and somehow make another wifi off that one so we can FaceTime.

Why do we have to wait 2 months for this???? If they enable FaceTime over 4g and release google maps and YouTube I won't have to jailbreak.

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I bet you'd be great at selling reverse mortgages to old people.

lol, actually I have talked a couple relatives out of that. I am just presenting the facts as I get tired of reading how people are throttled an no longer get unlimited data. Speed and Data are two different things. AT&T is protecting their network for the rest of us, while still providing their unlimited data to those to still hang on to that plan.

AT&T is actually borrowing good portion of that 14 billion dollar upgrade. The CEO basically said we need to reinvest back into AT&T as now is the time when interest rates are at all time low. But the upgrade is more about getting rid landlines and old dsl lines and replacing it with VoIP, VIP(45-100mb fibre upgrade), and wireless (LTE upgrade to cover 300 million more customers).

I know, I know. I haven't been a contributor since 2008, but I really haven't had anything to share since then. I just spoke with AT&T customer service. I called to see if they could activate FaceTime over cellular for my 4S. I knew that they wouldn't due to the fact it wasn't a 5, but the settings pane in iOS 6 stated to call, so I figured I would try. The woman went through some prompts and stated that FaceTime for tiered plans would be coming in "8-10 weeks" and that the technicians were working on it. That sounded dumb, but I didn't want to fight it hard, but I did ask if it would be coming to 4S or if it would be limited to 5. She said it would be available for any iPhone with a front facing camera that was running iOS 6. I don't know how much weight to put on this, but it seemed sincere enough to make me want to post on here after 4 years. Take it for what you will, but I believe that any capable iOS device with a front facing camera will be able to use FaceTime over AT&T cellular in 8-10 weeks.

I have the mobile share plan on my iPhone and the unlimited data on my iPad. I've been able to Facetime from my iPhone since iOS 6. Today I received a Facetime call on my iPad and iPhone (it rings at the same time), and accidentally answered it on my iPad. I was surprised it worked. I didn't think it would work since the iPad has unlimited data.

I have the mobile share plan on my iPhone and the unlimited data on my iPad. I've been able to Facetime from my iPhone since iOS 6. Today I received a Facetime call on my iPad and iPhone (it rings at the same time), and accidentally answered it on my iPad. I was surprised it worked. I didn't think it would work since the iPad has unlimited data.

No, it doesnt. Verizon 3G doesn't support voice + data and iphone 5 has a single chipset so it cannot have both LTE (for data) + 3g for voice enabled simultaneously
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I guess no carrier is perfect. AT&T restricts FaceTime use, Verizon's LTE is not yet supported by all it's towers, T-Mobile and Sprint have the smallest coverage areas, and Sprint's 3G data speeds suck.